[Coco] Drivewire help needed

Todd Wallace dragonbytes at cox.net
Mon Oct 18 15:37:46 EDT 2010


I don't think those are checksum errors. I've seen logs such as those regularly with Drivewire and it worked fine. I think Error[0] means there are zero errors with that read op.  The others can correct me if I'm wrong.  Is your coco actually reading properly and you're just worried about the codes?

- Todd

On Oct 18, 2010, at 3:21 PM, Jeremy Michea wrote:

> Hello I'm hoping to get some help from the community with a little drivewire problem I've been having. 
> I've been using drivewire just fine using the cassette cable method of getting the HDB-DOS rom loaded but got tired of the constant loading so I ordered and recieved the rompak version of HDB-DOS today.
> I loaded up my coco 3 with the rompak and then I loaded up drivewire as I usually do and loaded a virtual disk as I've done many times before, but now the drivewire server gives me a steady stream of "checksum" errors like this:
> 2010-10-18 13:24:56 OP_READEX[0] LSN[614] Checksum[26101] Error[0]
> 2010-10-18 13:24:56 OP_READEX[0] LSN[615] Checksum[29408] Error[0]
> 2010-10-18 13:24:56 OP_READEX[0] LSN[616] Checksum[25969] Error[0]
> 2010-10-18 13:24:56 OP_READEX[0] LSN[617] Checksum[26288] Error[0]
> I went back and tried the cassette cable method of loading the DOS and got the same checksum errors. I then dug out another coco 3 and with both methods of loading DOS I get the same errors. So I thought perhaps its the USB-to-9pin serial adaptor I have even though it has worked fine with drivewire up to this point.
> I then tried an older PC with a built in 9 pin serial port, which again, has worked just fine with drivewire in the past. Same thing using 2 different coco's, two different methods of loading DOS, and two different windows XP based PC's.
> I've checked the control panel and the settings for the serial port and tried different settings such as 115,200 baud but no settings on either PC gave different results, just a steady stream of checksum errors.
> So in short I've tried:
> 2 different coco 3's (128k and 512k)
> 2 different windows XP machines
> 2 different methods of loading DOS
> The only constant I can think of is the drivewire cable itself but again, its been flawless up to this point. 
> Any suggestions or opinions are very welcome.
> Thanks
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